When NASA showed off its D-Wave 2X quantum computer on Tuesday, engineers were keen to talk about the computer's capabilities but less so about security measures that might be in place to stop hackers.

Francis Trentley was the CIO of the White House during the George W. Bush administration and oversaw that office's biggest ever technical transformation. Today, he is the Senior Director at Akamai Technologies. At the recent Gartner Security and Risk Management Summit, he delved into the ever-evolving cyber-threat-landscape and examined how traditional defences need to evolve.

The first half of 2012 was pretty bad - from the embarrassing hack of a conversation between the FBI and Scotland Yard to a plethora of data breaches - and the second half wasn't much better, with events including Symantec's antivirus update mess and periodic attacks from hactivists at Anonymous.

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